just go to the Orc Camp, not the Village ;-)
I don't really remember it was long ago and I don't seem to have a save around that time, but as the story unfolds with Dulrig, Rueben and the Emerine crystal I think those are your best bet, turned out Rueben visited the caves before you did
works fine on my mac, is it because it wont open it?
you need to grant it permission in settings -> Privacy and security
because it's not from the appStore
it's in the cave complex, where the marker is
it means Work In Progress
explore the area nearby at the mountain trail
it's in the cave complex, where the marker is